I will have to board 12551 YPR KYQ AC SF EXPSS from YPR. Prior to that, I would have to reach YPR from Trivandrum, Kerala by train no. 16316 Kochuveli - KSR Bengaluru Express which goes upto KSR Bangaluru City (SBC). That train (16316) halts Bangaluru Cantt (BNC) also. Please let me know where should I deboard (leave) from train (16316) to reach YPR station , SBC OR BNC ? Please.